Glossary term: 천문단위
Description: 천문단위(AU)는 거리를 나타내는 단위로, 정확히 149,597,870.7킬로미터(km)에 해당합니다. 이 값은 지구와 태양 사이의 평균 거리와 거의 같으며, 예전에는 이 평균 거리가 천문단위의 정의로 사용되었습니다. 천문단위는 태양계나 다른 행성계, 항성계의 거리를 표현할 때 자주 쓰입니다. 예를 들어, 해왕성은 태양으로부터 약 30AU 거리의 궤도를 돌고 있습니다.
Related Terms:
See this term in other languages
Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher The translation of this term and its definition is still awaiting approval
The OAE Multilingual Glossary is a project of the IAU Office of Astronomy for Education (OAE) in collaboration with the IAU Office of Astronomy Outreach (OAO). The terms and definitions were chosen, written and reviewed by a collective effort from the OAE, the OAE Centers and Nodes, the OAE National Astronomy Education Coordinators (NAECs) and other volunteers. You can find a full list of credits here. All glossary terms and their definitions are released under a Creative Commons CC BY-4.0 license and should be credited to "IAU OAE".
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In Other Languages
- 아랍어: الوحدة الفلكية
- 독일어: Astronomische Einheit
- 영어: Astronomical Unit
- 스페인어: Unidad Astronómica
- 프랑스어: Unité astronomique
- 힌두어: खगोलीय इकाई (AU)
- 이탈리아어: Unità astronomica
- 일본어: 天文単位 (external link)
- 마라티어: खगोलशास्त्रीय एकक
- 브라질 포르투갈어: Unidade astronômica
- 중국어 간체: 天文单位
- 중국어 번체: 天文單位
Related Diagrams
Astronomical Unit
Caption: An astronomical unit (AU) is a convenient unit of distance equal to exactly 149,597,870.7 kilometers (km). This is approximately the average distance between the Earth and the Sun, which was a previous definition of the AU. The AU is often used to measure distances in the Solar System and in other planetary or stellar systems.
Credit: Danielle Futselaar/IAU OAE
License: CC-BY-4.0 Creative Commons 저작자표시 4.0 국제 (CC BY 4.0) icons



